Cisco 100-490 Certification Exam Sample Questions and Answers

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Cisco 100-490 (RSTECH) Sample Questions:

01. What settings must be configured on a laptop’s Ethernet port to connect to a Cisco device?
(Choose Three)
a) IP address
b) Subnet mask
c) Default gateway
d) Kernel version
e) MAC address
 
02. Identify the correct RJ45 loop-back plug pinout configuration for testing a Cisco router Ethernet port.
a) Pins 1 and 3 connected to Pins 6 and 8
b) Pins 1 and 4 connected to Pins 7 and 8
c) Pins 2 and 5 connected to Pins 7 and 8
d) Pins 1 and 2 connected to Pins 3 and 6
 
03. Which methods can be used to perform a software upgrade on a Cisco device?
(Choose Three)
a) TFTP
b) Xmodem
c) Bluetooth
d) NFC
e) FTP
 
04. Performing a software downgrade using xmodem typically requires access to which router mode?
a) Router Configuration mode
b) ROMMON mode
c) Bootloader mode
d) Setup mode
 
05. Which settings must be correctly configured to establish a connection using an Ethernet cable from a laptop to Cisco equipment?
(Choose Three)
a) IP address
b) Encryption type
c) Subnet mask
d) Default gateway
e) Cable type
 
06. A LAN switch operates at which layer of the OSI model?
a) Layer 1 (Physical)
b) Layer 2 (Data Link)
c) Layer 3 (Network)
d) Layer 7 (Application)
 
07. Which subnet mask would typically be used with a Class C IPv4 network?
a) 255.255.255.0
b) 255.255.0.0
c) 255.0.0.0
d) 0.0.0.255
 
08. Cisco IOS-XR is tailored for __________, offering modular processes and fault containment.
a) desktop management
b) service provider networks
c) small businesses
d) wireless communication
 
09. What should be tested when diagnosing Ethernet Layer 2 issues related to speed?
(Choose Two)
a) Gateway settings
b) Port speed settings
c) IP address configurations
d) Subnet masks
e) Duplex settings
 
10. How is the configuration register typically changed for a password recovery process on a Cisco router?
a) Through the boot setup menu
b) Using the 'configure terminal' command
c) By setting the register to 0x2142
d) Through the Windows Control Panel

Solutions:

Question: 01

Answer: a, b, c

Question: 02

Answer: d

Question: 03

Answer: a, b, e

Question: 04

Answer: b

Question: 05

Answer: a, c, d, e

Question: 06

Answer: b

Question: 07

Answer: a

Question: 08

Answer: b

Question: 09

Answer: b, e

Question: 10

Answer: c

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